Identical to 5331-00-958-1236 except for hardness rating
A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
Classification: Gaskets, washers and other seals, of vulcanized rubber other than hard rubber
NSN 4140-01-135-7912
NSN 6240-01-111-8291
NSN 5910-01-539-7240
NSN 5996-01-168-2746
NSN 5855-01-286-9928
NSN 5975-01-415-0918
NSN 6135-00-377-9165
NSN 6145-01-003-9741
NSN 4140-01-525-9688
NSN 5990-00-174-6695
NSN 5925-00-578-4774
NSN 5996-01-459-8590